“You describe belief systems like intelligent design as irrational by the very definition of the word rational?”
That’s how definitions work, buddy. They indicate what words mean, and that has consequences for how they’re used.
An problematic use of definitions would to be declare intelligent design to be irrational by definition—that is, the definition of ‘intelligent design’, not of ‘rationality’.
“You describe belief systems like intelligent design as irrational by the very definition of the word rational?”
That’s how definitions work, buddy. They indicate what words mean, and that has consequences for how they’re used.
An problematic use of definitions would to be declare intelligent design to be irrational by definition—that is, the definition of ‘intelligent design’, not of ‘rationality’.